The DFT stands for dual fuel tactical, and represents the natural evolution of SureFires best-selling Fury(R) Tactical flashlight into a single-output 1"500 lumen light that can also function as a searchlight. The dual fuel feature means the light can be powered by either two 123A lithium batteries or a single economical 18650 micro USB lithium ion rechargeable battery. Press or click its tail cap switch for ergonomic, foolproof activation under even the most stressful conditions. Its precision micro-textured reflector shapes a smooth useful beam that is far-reaching, with a bright central area that is also optimized for situational awareness. The high-strength aerospace aluminum body and tail cap are knurled for a secure grip and Mil-Spec hard anodized for extreme resistance to abrasion and corrosion. Features: Dual fuel battery technology allows for power by either two 123A lithium batteries or a single SF18650B lithium-ion rechargeable battery Virtually indestructible ultra-high-output LED generates 1,100 lumens of blinding light with two 123A batteries and up to 1,500 lumens with the included SF18650B micro USB lithium ion rechargeable battery Mil-Spec hard anodized aluminum body, tempered window & O-ring seals make light rugged and durable Press tailcap slightly for momentary-on, or fully press and click for